calcium hydrate vs hydrated lime

calcium hydrate and hydrated lime both are nouns.

Word	Noun	Adjective	Verb	Adverb
calcium hydrate	Yes	No	No	No
hydrated lime	Yes	No	No	No

As nouns, calcium hydrate and hydrated lime are synonyms defined as:

calcium hydrate and hydrated lime: a caustic substance produced by heating limestone

Other synonyms of calcium hydrate include calcium hydroxide, caustic lime, lime, lime hydrate, slaked lime.

calcium hydrate (noun)	hydrated lime (noun)
a caustic substance produced by heating limestone	a caustic substance produced by heating limestone